return function()
  require('telescope').setup({
    defaults = {
      initial_mode = 'normal',
      mappings = {
        n = {
          ['<esc>'] = 'close',
        },
      },
    },
    pickers = {
      find_files = {
        theme = 'dropdown',
      },
    },
    extension = {
      undo = {
        side_by_side = true,
        layout_strategy = 'vertical',
        layout_config = {
          preview_height = 0.8,
        },
      },
    },
  })
  require('telescope').load_extension('undo')
end
